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Finding the Fourth Proportional to 3,381.43, 5,069.73 and 1,601.50

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Solution

The fourth proportional to 3,381.43, 5,069.73 and 1,601.50 is: 2,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.43 : 5,069.73 = 1,601.50 : x
  2. Step 2: Convert to fraction form
    3,381.43/5,069.73 = 1,601.50/x
  3. Step 3: Cross multiply
    3,381.43x = 5,069.73 × 1,601.50
  4. Step 4: Simplify right side
    3,381.43x = 8,119,172.60
  5. Step 5: Solve for x
    x = 8,119,172.60/3,381.43
  6. Step 6: Final answer
    x = 2,401.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.